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Preparation of High Tc Bi‐Pb‐Sr‐Ca‐Cu‐O Superconducting Fibers by Laser Heated Pedestal Growth Method

  • K. Tomomatsu (a1), A. Kume (a1) and H. Tominaga (a1)

Abstract

Highly oriented Bi‐Pb‐Sr‐Ca‐Cu‐O superconducting fibers have been prepared by the laser heated pedestal growth method. The annealed fiber showed both the high Tc (≃K) phase's and the low Tc (≃80K) phase's superconducting transition. The fiber grown at 2mm/h had the Jc value as high as l.0x103A/cm2. The misalignment of the high Tc phase's a‐b plane was measured by XRD less than ± 2°. It was found that the high Tc phase formed during the annealing was highly oriented as well as the low Tc phase.

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Preparation of High Tc Bi‐Pb‐Sr‐Ca‐Cu‐O Superconducting Fibers by Laser Heated Pedestal Growth Method

  • K. Tomomatsu (a1), A. Kume (a1) and H. Tominaga (a1)

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